<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <title>List FrontBase result fields</title>
 </head>
 <body class="docs"><div id="layout">
  <div id="layout-content"><div id="function.fbsql-list-fields" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">fbsql_list_fields</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.0.6, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">fbsql_list_fields</span> &mdash; <span class="dc-title">List FrontBase result fields</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.fbsql-list-fields-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>fbsql_list_fields</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$database_name</code></span>
   , <span class="methodparam"><span class="type">string</span> <code class="parameter">$table_name</code></span>
   [, <span class="methodparam"><span class="type">resource</span> <code class="parameter">$link_identifier</code></span>
  ] ) : <span class="type">resource</span></div>

  <p class="para rdfs-comment">
   Retrieves information about the given table.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.fbsql-list-fields-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">database_name</code></dt>

     <dd>

      <p class="para">
       The database name.
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">table_name</code></dt>

     <dd>

      <p class="para">
       The table name.
      </p>
     </dd>

    
    <dt>
<code class="parameter">
link_identifier</code></dt>
<dd>
<p class="para">由
<span class="function"><a href="fbsql_connect.html" class="function">fbsql_connect()</a></span> 或
<span class="function"><a href="fbsql_pconnect.html" class="function">fbsql_pconnect()</a></span> 返回的 FrontBase 链接标识符.</p>
<p class="para">如可选并未指定，函数会尝试查找一个到 FrontBase 服务器的开放链接，且如没有找到这样的链接，会尝试通过不带参数调用 <span class="function"><a href="fbsql_connect.html" class="function">fbsql_connect()</a></span> 来创建一个。</p>
</dd>

   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.fbsql-list-fields-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns a result pointer which can be used with the
   <em>fbsql_field_xxx</em> functions, or <strong><code>FALSE</code></strong> on error.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-function.fbsql-list-fields-errors">
  <h3 class="title">错误／异常</h3>
  <p class="para">
   A string describing the error will be placed in 
   <em>$phperrmsg</em>, and unless the function was called as
   <em>@fbsql()</em> then this error string will also be printed
   out.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.fbsql-list-fields-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-1220">
    <p><strong>Example #1 <span class="function"><strong>fbsql_list_fields()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$link&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">fbsql_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'myname'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'secret'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$fields&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">fbsql_list_fields</span><span style="color: #007700">(</span><span style="color: #DD0000">"database1"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"table1"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$columns&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">fbsql_num_fields</span><span style="color: #007700">(</span><span style="color: #0000BB">$fields</span><span style="color: #007700">);<br /><br />for&nbsp;(</span><span style="color: #0000BB">$i&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">;&nbsp;</span><span style="color: #0000BB">$i&nbsp;</span><span style="color: #007700">&lt;&nbsp;</span><span style="color: #0000BB">$columns</span><span style="color: #007700">;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">++)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #0000BB">fbsql_field_name</span><span style="color: #007700">(</span><span style="color: #0000BB">$fields</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">)&nbsp;.&nbsp;</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;;<br />}<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
    </div>

    <div class="example-contents"><p>以上例程的输出类似于：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
field1
field2
field3
...
</pre></div>
    </div>
   </div>
  </p>
 </div>

 
 <div class="refsect1 seealso" id="refsect1-function.fbsql-list-fields-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="fbsql_field_len.html" class="function" rel="rdfs-seeAlso">fbsql_field_len()</a> - Returns the length of the specified field</span></li>
    <li class="member"><span class="function"><a href="fbsql_field_name.html" class="function" rel="rdfs-seeAlso">fbsql_field_name()</a> - Get the name of the specified field in a result</span></li>
    <li class="member"><span class="function"><a href="fbsql_field_type.html" class="function" rel="rdfs-seeAlso">fbsql_field_type()</a> - Get the type of the specified field in a result</span></li>
    <li class="member"><span class="function"><a href="fbsql_field_flags.html" class="function" rel="rdfs-seeAlso">fbsql_field_flags()</a> - Get the flags associated with the specified field in a result</span></li>
   </ul>
  </p>
 </div>

 
</div></div></div></body></html>